What made slavery legal was D. the Bill of Rights, Because amendment 13 officially abolished slavery in the United States and continues to this day.
So D. is your anwser.
Hope this helps. :)
Answer:
Explanation:The working-age population in a region consists of those in a range of ages, typically 18-64 or 15-64, considered able and likely to work. ... This number is the number of capable employees available in an economy, a country, ... those who are actively employed but are outside of the designated age range.
True because the limited knowledge of one viewpoint isn't enough to encompass all possible theories or ideas
